- Writer:
- Arthur Swinson
- Series created by:
- Ted Willis
- Film Cameraman:
- Arthur Smith
- Film Editor:
- Valerie Best
- Designer:
- Austen Spriggs
- Director:
- David Askey
- Production:
- Ronald Marsh
- P.C. George Dixon:
- Jack Warner
- Mary Crawford:
- Jeannette Hutchinson
- Det-Sgt Andy Crawford:
- Peter Byrne
- Sgt Flint:
- Arthur Rigby
- Mr Enderby:
- Charles Lamb
- Cadet Michael Bonnet:
- Paul Elliott
- Inspector Bob Cherry:
- Robert Cawdron
- Mr Holdsworth:
- Richard Coleman
- Dino Pia:
- John Bennett
- Pam:
- Elizabeth Chambers
- Skerritt:
- Donald Morley
- Margaret:
- Betty England
- Det-Constable Lauderdale:
- Geoffrey Adams
- Mrs Venables:
- Mary Hignett
- W.P.C. Alex Johns:
- Jan Miller
- P.C. Jones:
- John Hughes
- Bill:
- Paul Taylor
- Don:
- James Beck
- Carol:
- Sandra Caron
- W.P. Sgt. Chris Freeman:
- Anne Ridler
- Mrs Rose:
- Dorothy Darke
